[MITgcm-support] ALLOW_ADDFLUID option and U, V momentum equation

Angela Marie Zalucha azalucha at MIT.EDU
Fri Aug 26 12:44:51 EDT 2011


Kumar,

You're right, the fluid source/sink is assumed not to affect the 
momentum equations.  For planetary applications this term is small, I 
don't know about the ocean.

   Angela



On Thu, 25 Aug 2011, Krishnakumar Rajagopalan wrote:

> Hi All,
>  
> We have been customizing the 4x4 global ocean simulation 
> (tutorial_global_oce_latlon) to include sources/sinks  using the 
> ALLOW_ADDFLUID option. Checking with grep " ALLOW_ADDFLUID"  *.F,  it 
> seems that  sources do not explicitly appear in the U or V momentum 
> equations.  If indeed these equations are formally unchanged when the 
> source/sink switch is on,  are we correct assuming that this version of 
> MITgcm does not have a provision for (input) source momentum? A source 
> could have an initial vertical momentum as well, although such cases may 
> be more relevant for non-hydrostatic runs.  
> Thanks a lot
> Kumar
>

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Angela Zalucha, Ph.D.
Postdoctoral Associate
Department of Earth, Atmospheric,
   and Planetary Sciences
Massachusetts Institute of Technology

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